Study Guide: Key Concepts of Heat Transfer and Earth's Energy

Front

__________ is the measure of how fast particles are moving in a substance.

Back

Temperature

Front

Heat always transfers from __________ objects to __________ objects.

Back

warmer, cooler

Front

In convection, warm air __________ because it becomes __________ and less dense.

Back

rises, warmer

Front

Heat transfer through __________ waves is called radiation.

Back

electromagnetic

Front

The temperature scale with a freezing point of 0° is the __________ scale.

Back

Celsius

Front

What occurs when energy transfers through direct contact between particles?

Back

Conduction

Front

__________ energy represents the total energy of all particles in a substance.

Back

Thermal

Front

When ground heat transfers directly to touching air, this is an example of __________.

Back

conduction

Front

The sun initially heats the Earth through __________.

Back

radiation

Front

Warm air rises because it is __________ and __________ dense than cooler air.

Back

warmer, less